I'm referencing external data, matching it up with particular fields in feature.properties and using that to decide which layer to put the feature in, all of this from inside the onEachFeature part.
...

I have to create a map with more than 5000 points from a geojson. So I would like to use markercluster plugin with Leaflet.
I wrote the following code with help from the documentation and from other ...

I have multiple marker in one layer OpenLayers.Layer.Marker and some times the marker overlap the other marker. My question is how do I bring the marker in front when its click? is there a setZ-index ...

I've tried to make a MouseOver Markers Popup since a couple of days, I'm using Leaflet. I know some solutions I've read in many forums, but I wanna make it work with GeoJSON-Points and I haven't found ...

I would like to style my point features. For some markers I use the convenient OpenLayers.StyleMap options, for few of them I would like to use an external png graphic (the camouflage circle). I use a ...

I'm currently using Leaflet's markercluster add-on, which is working really nicely for some of my initial maps. However, I'm wondering if there is a way to modify the clusters so that the size of the ...

I want to mark important location with bigger markers (pointer with forks) and smaller location with normal markers (colored dots). I want big markers to bounce on hover. How to acheive this effect in ...

I have an example that displays an image as well as a string for each marker.
My designers want the string to be displayed on top of the image and I don't know how long the string can be. Also I need ...

I'm having troubles getting the Leaflet Marker Cluster working with Leaflet-layerJSON. I'm trying to make a Leaflet map with data from OpenStreetMap. The markers are showing on the map, but they are ...

I am having a problem with leaflet markers. The problem is that when I drag a marker with a lower z-index under another marker with a higher z-index and let it go, it makes another marker. I have a ...

How can I add an event listener to many markers on the map?
I know how to add an event listener to a single marker say:
var marker = L.marker(...);
marker.on('dragend',function(){...});
So, how can ...

The code below I have is working great. I'll try to explain it in a few lines (btw you can view it here http://codeshare.io/9Z1BE):
-there's a marker on the map. The lat long is returned as json from ...

I'm mapping railways, find that the usual cross marker line is so thin it doesn't show up in Print Composer at web resolution, and can't find any way of making it thicker, only the main line. Is there ...

I have a shapefile data of buildings. I added it to GeoServer and serve it as a WMS layer. When I check my own maps in the browser my polygons of building appear black color and I want to change it's ...

This is my markercluster code :
i need information window for the markercluster icon as well as marker icon, i have another cluster.js file,
can some one please tell me how can i show the information ...

I have a Open Layers map project where I currently add dynamic markers based on a query but I really want to show some text instead of the marker icon. Is there a way I can either render some text to ...

I have a lot of CAD blocks that I want to convert to symbol markers to use in ArcGIS 10. Everything I read says the emf is converted to vector data, but that does not seem to be the case. Procedure: ...

I currently have a database (Mongo, atm) holding roughly 1M points of data corresponding lat/lon/intensity values that I'd like to plot over a region using the Google Maps API.
Ideally, I'd like to ...

I have two questions regarding picture marker symbol in flex viewer:
How can I make a composite symbol so that users can re-size and drag it. Any example code could help a lot.
I have three symbols ...